Sodium Hydroxide and Hydrochloric Acid Neutralization
NaOH + HCl → NaCl + H2O
概要
Sodium hydroxide reacts with hydrochloric acid to produce sodium chloride and water. This is the archetypal neutralization reaction, producing exactly neutral pH 7 solution because both the acid and base are strong. The heat of neutralization is approximately -57.1 kJ/mol for any strong acid-strong base pair.
参加者
| 役割 | 物質 | 係数 | 状態 |
|---|---|---|---|
| 反応物 | Sodium Hydroxide NaOH | 1 | (aq) |
| 反応物 | Hydrochloric Acid HCl | 1 | (aq) |
| 生成物 | Sodium Chloride NaCl | 1 | (aq) |
| 生成物 | Water H₂O | 1 | (l) |
日常の例
Antacid tablets neutralize excess stomach acid using a similar type of reaction, though they typically use weaker bases like magnesium hydroxide.
産業上の重要性
中和反応は排水処理、化学製造、食品加工の基本である。工業プロセスにおける正確なpH制御はこの化学に依存している。
特性
- 可逆的
- いいえ
- エネルギー
- 発熱性
- ΔH
- -57.1 kJ/mol
関連する反応
Iron(III) Chloride and Sodium Hydroxide
Calcium Chloride and Sodium Carbonate
Barium Chloride and Sodium Sulfate Precipitation
Calcium Hydroxide and Carbon Dioxide (Limewater Test)
Magnesium Hydroxide and Hydrochloric Acid (Antacid)
Lead Nitrate and Potassium Iodide (Golden Rain)
Copper(II) Sulfate and Sodium Hydroxide
Sodium Hydroxide and Iron(III) Chloride (Rust Color)
Sodium Carbonate and Hydrochloric Acid
Aluminum Hydroxide and Hydrochloric Acid
Frequently Asked Questions
What is the equation for Sodium Hydroxide and Hydrochloric Acid Neutralization?
The balanced equation is: NaOH + HCl → NaCl + H₂O.
What type of reaction is Sodium Hydroxide and Hydrochloric Acid Neutralization?
Sodium Hydroxide and Hydrochloric Acid Neutralization is a double replacement reaction.
Is Sodium Hydroxide and Hydrochloric Acid Neutralization exothermic or endothermic?
Sodium Hydroxide and Hydrochloric Acid Neutralization is exothermic (releases energy). The enthalpy change (ΔH) is -57.1 kJ/mol.